Volume 51, Issue 1, May and June 2019, Pages 99-108
10.22060/ceej.2018.14012.5534
M.H. Khalaj Zadeh; M. Azadi
Volume 41, Issue 1, March 2009, Pages 23-33
10.22060/ceej.2009.209
K. Fakharian; S.H. Ghodratian